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Hayk Zakaryan

@haykzakaryan

Message

I build scalable Java backend systems, modernize platforms, and improve delivery reliability.

Armenia

Message

At Grid Dynamics, I’m leading the migration of a legacy Java monolith into Spring Boot microservices on AWS, improving system reliability by 40% and cutting release cycles by 60% through AWS CodePipeline. I also introduced Terraform, Apache Kafka event-driven patterns, and AI-assisted development workflows while mentoring six engineers.

Previously at EPAM Systems and Webb Fontaine, I built enterprise insurance, workflow, and international trade software. I’ve designed REST APIs and BPMN workflows, optimized PostgreSQL performance, and helped rewrite Groovy/Grails modules into Spring Boot, contributing to $2.4M in incremental revenue.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Grid Dynamics

May 2025 - Present (1 year 5 months)

Led migration of a legacy Java monolith to Spring Boot microservices on AWS, improving deployment scalability and system reliability by 40%. Designed CI/CD pipelines with AWS CodePipeline, cutting release cycles by 60% and introduced Infrastructure as Code with Terraform.

Java Spring Boot AWS Kafka PostgreSQL Microservices CI CD Terraform GitHub Co Pilot Claude Code

Software Engineer

EPAM Systems

Apr 2023 - May 2025 (2 years 1 month)

Architected and maintained backend services for an enterprise insurance platform supporting policy management and claims processing. Designed secure REST APIs and BPMN workflows with Flowable and Camunda for policy issuance and claims handling.

Java Spring Boot REST APIs PostgreSQL Flowable BPM Camunda BPMN Agile

Software Engineer

Webb Fontaine

Nov 2020 - Apr 2023 (2 years 5 months)

Contributed to international trade software projects, helping drive $2.4M in incremental company revenue through optimised application features. Led the rewrite of core modules from Groovy/Grails to Spring Boot, improving maintainability and performance.

Java Spring Boot Groovy Grails REST APIs Microservices